Data Inferences - Harder

This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

Data Inferences - Harder Example
A researcher collecting information about 1,000 randomly selected physical therapists concluded that the median hourly wage for physical therapists in the Unites States at the time of the study was between $22.76 and $59.24, with a 95% confidence level. Which of the following could represent the median hourly wage, based on the same sample, for physical therapists in the Unites States with a 90% confidence level?

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.